protected int Delete(AssetType assettype)
{
AssetTypesDAO lwDataAccess = new AssetTypesDAO();
// If this is a category then we need to delete each of the sub-types first
if (assettype.ParentID == 0)
{
AssetTypeList listAssetTypes = new AssetTypeList();
listAssetTypes.Populate();
AssetTypeList listSubTypes = listAssetTypes.EnumerateChildren(AssetTypeID);
// Loop through the sub-types returned and try and delete them
foreach (AssetType subType in listSubTypes)
{
// Error if we failed to delete - we cannot delete the parent then
if (this.Delete(subType) != 0)
{
return(-1);
}
}
}
// Delete the asset type
return(lwDataAccess.AssetTypeDelete(this));
}
/// <summary>
/// Does this user data category apply to this asset?
/// </summary>
/// <param name="asset"></param>
/// <returns>true if yes, false otherwise</returns>
public bool CategoryAppliesTo(Asset asset)
{
if (_listAssetTypes == null)
{
_listAssetTypes = new AssetTypeList();
_listAssetTypes.Populate();
}
// Is this category specific to an asset type?
if (AppliesTo != 0)
{
// OK - does the category apply specifically to this asset type?
if (AppliesTo != asset.AssetTypeID)
{
// No - we need to get the parent category of this asset type and check that also then
AssetType parentType = _listAssetTypes.FindByName(asset.TypeAsString);
if ((parentType == null) || (_appliesTo != parentType.ParentID))
{
return(false);
}
}
}
// User data category applies to this type of asset so return true
return(true);
}
/// <summary>
/// Return a list of the child asset types of the specified category
/// </summary>
/// <param name="category"></param>
/// <returns></returns>
public AssetTypeList EnumerateChildren(int category)
{
AssetTypeList children = new AssetTypeList();
foreach (AssetType assettype in this)
{
if (assettype.ParentID == category)
{
children.Add(assettype);
}
}
return(children);
}
/// <summary>
/// Return a list of the Asset Type Categories
/// </summary>
/// <returns></returns>
public AssetTypeList EnumerateCategories()
{
AssetTypeList categories = new AssetTypeList();
foreach (AssetType assettype in this)
{
if (assettype.ParentID == 0)
{
categories.Add(assettype);
}
}
return(categories);
}